<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style type="text/css">
			div:before{
				display: block;
				content: '';
				width: 400px;
				height: 400px;
				/* content: url(../img/1.jpg); */
				background: url(../img/1.jpg);
				background-size: 400px 400px;
			}
			
		</style>
	</head>
	<body>
		<div></div>
	</body>
</html>
